DR. DIANE MARIE HOEKSTRA PH.D.
NPI 1023169406
Psychologist in Fairfax, VA

Active since January 14, 2007Opted out of Medicare · through Jul 1, 2027
10721 MAIN ST STE 2350, FAIRFAX, VA 22030(703) 591-5912(703) 581-7210 Get Directions Write a Review

NPPES record last updated: August 18, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Diane Marie Hoekstra Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DIANE MARIE HOEKSTRA PH.D. (NPI 1023169406) is an individual psychologist in Fairfax, Virginia, licensed in Virginia (0810001946) and active in the NPI registry since January 2007. She has opted out of Medicare through July 1, 2027.

NPPES Registry Identity

NPI1023169406
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. DIANE MARIE HOEKSTRACredential: PH.D.
Location Address10721 MAIN ST STE 2350Fairfax, VA 22030-6913
Mailing Address10721 Main St Ste 2350Fairfax, VA 22030-6913 · (703) 591-5912 · Fax (703) 581-7210
Fax(703) 581-7210
Sole ProprietorYes
Enumeration DateJanuary 14, 2007
Last NPPES UpdateAugust 18, 2015
NPI 1023169406 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in VA · 0810001946
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedPsychologist · Clinical Child & AdolescentTaxonomy 103TC2200X · License 0810001946 (VA)
10721 MAIN ST STE 2350, Fairfax, VA 22030

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Dr. Diane Marie Hoekstra Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2013 through July 1, 2027.

Opt-Out Effective DateJuly 1, 2013
Opt-Out In Effect ThroughJuly 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
10721 MAIN ST STE 2350
FAIRFAX, VA 22030

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diane Hoekstra's NPI number?

The NPI number for Diane Hoekstra is 1023169406. It was assigned to this individual provider in the NPPES registry on January 14, 2007.

Where is Diane Hoekstra located?

Diane Hoekstra practices at 10721 Main St Ste 2350, Fairfax, VA 22030. The listed phone number is (703) 591-5912.

What is Diane Hoekstra's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Diane Hoekstra enrolled in Medicare?

No. Diane Hoekstra has opted out of Medicare through July 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Diane Hoekstra was last updated on August 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.